Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos pontos extras Stanfield Wells fez?
 ###Tabelas: CREATE TABLE regular_conflicts (regular_conflicts_id AUTO_INCREMENT PRIMARY KEY, Military deaths VARCHAR, Civilian deaths VARCHAR, Total deaths (not including foreigners) VARCHAR, Military and/or Civilian wounded VARCHAR, Total casualties VARCHAR) CREATE TABLE reconstruction_in_the_british_museum (reconstruction_in_the_british_museum_id AUTO_INCREMENT PRIMARY KEY, Image INT, Smith VARCHAR, Ashmolean INT, Foster INT, Hahland INT, Dinsmoor VARCHAR, Hofkes-Brukker VARCHAR, Harrison VARCHAR, Cooper VARCHAR, BM/Corbett VARCHAR) CREATE TABLE opinion_poll_summary (opinion_poll_summary_id AUTO_INCREMENT PRIMARY KEY, Party VARCHAR, Marplan VARCHAR, Gallup VARCHAR, National Opinion Polls (NOP) VARCHAR, Opinion Research Centre (OPC) VARCHAR, Harris VARCHAR) CREATE TABLE ice_dancing (ice_dancing_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Name VARCHAR, Nation VARCHAR, Points INT, Places VARCHAR) CREATE TABLE scoring_leaders (scoring_leaders_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Touchdowns INT, Extra points INT, Field goals INT, Points INT)  
SELECT COUNT Extra points FROM scoring_leaders WHERE Player = Stanfield Wells